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Can credit card type be determined solely from the credit card number?
Is this recommended or always ask client for the type of credit card they're using?
I googled about it and found this algorithm: http://cuinl.tripod.com/Tips/o-1.htm , is this reliable...
Started by Henry on
, 11 posts
by 10 people.
Answer Snippets (Read the full thread at stackoverflow):
/** * checks a given string for a valid credit card * @returns: * -1 invalid * 1 mastercard * 2 disappearing....
Of this page: http://www.merchantplus.com/resources/pages/credit-card-logos-and-test-numbers/
Also on the number.
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Hi
I have to take user credit card detail for payment through paypal. For first time user enter detail at that time payment is done through paypal pro. So for first time if card in not valid then payment will not done and payment done if card is valid...
Started by Avinash on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
It can't confirm that....
All credit card numbers are issued in a pattern that can be verified using that algorithm.
What details of the creditcard can be changed by the customer the Luhn algorithm .
Storing credit card details.
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I'm trying to set the credit card numbers based on the standard check parameters but am finding lots of UK cards (Maestro / Visa Debit / Barclaycard Connect) have start numbers that dont meet other card validation script regexes;
I.e Maestro (Switch) ...
Started by Chris M on
, 5 posts
by 5 people.
Answer Snippets (Read the full thread at stackoverflow):
Note: Switch cards are actually debit not credit cards cannot rely on....
Javascript): http://stackoverflow.com/questions/1308194/determine-credit-card-type regarding credit card formatting and validation .
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We have a system where we want to prevent the same credit card number being registered for two different accounts. As we don't store the credit card number internally - just the last four digits and expiration date - we cannot simply compare credit card...
Started by Lars A. Brekken on
, 14 posts
by 14 people.
Answer Snippets (Read the full thread at stackoverflow):
PCI DSS states that you can store PANs (credit card numbers an attacker longer....
Use no relevence for an internal hashing application.
That you don't just salt all the credit card numbers with the same constant salt, though.
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I'm trying to find a component or a method which will detect credit card number of varying types in text.
I've found a lot of information on validating a credit card number but I need to be able to take a body of text e.g. a web page and check to see ...
Started by Richard Churchill on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
This demands.
(Though you'll probably find some falseBecause credit card numbers have a fixed format, a simple regular would suffice.
Especially the part "Finding Credit Card Numbers in Documents".
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Hello , i'm trying to validate credit card numbers with jQuery but i dont want to use the validation plugin , is there any other plugin for doing this? thanks
Started by Aviatrix on
, 3 posts
by 3 people.
Answer Snippets (Read the full thread at stackoverflow):
Function isCreditCard( CC ) { if (CC.length > 19) return (false); sum = 0; mul == 1) mul++; else mul–; } if ((sum % 10) == 0) return (true); else return (false); }
If you want to be certain that its a valid ....
Footprint in your code.
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Hi all,
I'm in a situation where I am running out of money, but expect a substantial check in the second week of October. So at this point I'm trying to come up with solutions that avoid borrowing from friends and family. I've worked out that I need about...
Answer Snippets (Read the full thread at money-talk):
As....
Charge card out all the info.
Have copies of your credit reports handy as well as other personal details.
You are entitled to 3 free apply.
credit score, though sometimes credit card companies offer them for free.
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At this point I'm fairly certain the code will run properly once I clear up all syntax errors. However I'm not really sure how to do this as I am not entirely familiar with Java. Any help is appreciated.
Thanks for your help everyone I'm now using NetBeans...
Started by 에이바 on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
} // and this
There are many syntax errors in the code) || (cCNum.length() > 16) && (num < 3)... .
Public static String cCType (String cCNum return "Unknown card type;" // You forgot this.
Not closing quotes in the "unknow card type".
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Given a credit card number and no additional information, what is the best way in PHP to determine whether or not it is a valid number?
Right now I need something that will work with American Express, Discover, MasterCard, and Visa, but it might be helpful...
Started by Joe Lencioni on
, 8 posts
by 8 people.
Answer Snippets (Read the full thread at stackoverflow):
Please make....
; } } if($verified == false) { //Do something here in case the validation fails echo "Credit card invalid_credit_card_numbers-106.html
PHP Code
function validateCC($cc_num, $type) { if($type == "American.
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We all know that 42 is the answer to everything , but it's news to me that it is a valid credit card number.
Try entering '42' or '42176' into this jQuery Validation testing page and click OK.
What's going on? I thought this was supposed to be the de-...
Started by Simon on
, 4 posts
by 4 people.
Answer Snippets (Read the full thread at stackoverflow):
That should probably be done server....
The length of credit card numbers can vary depending on the issuer (though yes.
From jQuery, but I found the snippet associated with credit card validation:
// http://docs.jquery.com length.
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